1. quinquina   spruce   cinchona   sandalwood   teak   Hint Half-n-half Clue   2. arbre de noix de coco   palm   holly   coconut   cinchona   Half-n-half Clue   3. houx   holly   teak   spruce   sandalwood   Half-n-half Clue   4. palme   spruce   holly   willow   palm   Half-n-half Clue   5. bois de rose   rosewood   sandalwood   coconut   palm   Half-n-half Clue   6. bois de santal   rosewood   spruce   sandalwood   palm   Half-n-half Clue   7. épicéa   sandalwood   cinchona   willow   spruce   Half-n-half Clue